* {
  margin: 0;
  padding: 0;
  list-style: none;
  box-sizing: border-box;
}
body{
  font-size: 16px !important;
}
.van-nav-bar{
  background-color: #1989fa;
  .van-nav-bar__title{
    color: #fff;
  }
  .van-icon {
    color: #fff;
  }
  .van-nav-bar__text {
    color: #fff;
  }
}